Abstract
1 Department of Medical Statistics London School of Hygiene and Tropical Medicine, UK 2 Leiden University Medical Center Dept. Clinical Epidemiology PO Box 9600 2300 RC Leiden, The Netherlands 3 Department of Clinical Epidemiology, Aarhus University, Denmark. Editor’s Note: Related articles can be found on pp. XXX, XXX, and XXX. Conflicts of interest: None declared Acknowledgments: We thank Matt Fox and Elizabeth Williamson for comments on the draft manuscript, and George Davey Smith for useful discussions of these issues. Correspondence to: Professor Neil Pearce Department of Medical Statistics London School of Hygiene and Tropical Medicine, UK Email: [email protected] Phone: 020-79588151
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
